Marantz 2270 Ampli-tuner
(1972-1974)
SPECIFICATIONS TECHNIQUES
Tuner:
Tuning range FM: 88 to 108 Mhz
Sensitivity IHF: 2.3 µV
Selectivity: > 80 dB
Stereo Separation: > 40 dB - 1Khz
Tuning range AM: 535 to 1605 Khz
Amplifier:
Power output: (RMS) 2 X 70w/8 ohms
Frequency response: 7Hz/50kHz
Output Impedance: 8 ohms
Damping factor: 45
Total Harmonic output: 0,3%/8 ohms
Channel separation: 35dB
Input Sensitivity Phono: 1.8 mV
Input Sensitivity Tuner: 180 mV
Input Sensitivity Aux: 180 mV
Input Sensitivity Tape In: 180 mV
Signal to Noise Ratio Phono: 80 dB
Signal to Noise Ratio Tuner: 96 dB
Signal to Noise Ratio/Tape In: 96 dB
Signal to Noise Ratio Aux: 96 dB
Dimensions: 442 x 142 x 355 mm
Weight: 17.4 Kg
Transistors | Equiv | Other |
2SC941 | 2N4134-NTE123AP | BC549B |
2SC372 | NTE123AP-KSC945 | BC547 |
2SC644 | BC549-BC184L | 2N3707-NTE199 |
2SC829 | BF494-NTE85 | KSC838-BF241 |
2SK30 | NTE132 | BF245A |
2SC732 | BF115 | NTE199 |
2SA494 | BF342-NTE159 | BC177-2N4058 |
2SC644 | BC549-NTE199 | BC184L-2N3707 |
2SK30 | NTE132 | BF245 A |
2SC1000 | BC546 | NTE199 |
2SA493 | BC224-BC416A | BC177-NTE290A |
2SC458 | BC147A | NTE123A |
2SC735 | BC107-BCW36 | 2N3704-KSC2001 |
2SA484 | NTE323-2N4037 | BSV17-BFS93 |
2SD315 | NTE175-2N6373 | BDY92-BDY71 |
2SA566 | 2N5603-2N3741 | BDX16-NTE218 |
2SA562 | BC221-NTE290 | BC327-BC328 |
2SC696 | NTE128-2N4877 | BC237-2SC731 |
2SC1213 | NTE289A-BC337 | KSC2001-2N4001 |
2SC734 | NTE289-BC182L | BC546A-2N3710 |
2SC945 | BC407B-NTE85 | KSC945 |
2SA640 | 2SA641-NTE234 | BC214L-2N4058 |
2SC984B | BC337-NTE123AP | BSW64-2N2222A |
2SC733 | BC107-KSC945 | BC182L-2N3710 |
NJ703W | NTE703A | |
Capa µf | Volts | Quantity (75) |
9000 | 55 | 2 |
4700 | 63 | 1 |
470 | 16 | 1 |
330 | 50 | 2 |
220 | 25 | 1 |
220 | 16 | 1 |
220 | 10 | 1 |
100 | 50 | 1 |
100 | 35 | 1 |
100 | 16 | 1 |
100 | 10 | 3 |
47 | 16 | 1 |
33 | 10 | 2 |
22 | 6.3 | 3 |
10 | 50 | 1 |
10 | 35 | 4 |
10 | 16 | 31 |
4.7 | 45 | 2 |
4.7 | 35 | 3 |
3.3 | 35 | 1 |
3.3 | 25 | 4 |
1 | 50 | 1 |
1 | 35 | 2 |
1 | 25 | 4 |
0.1 | 20 | 1 |